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RISC-V: use REG_S/REG_L for mcount
In preparation for rv32i ftrace support, convert mcount routines to use native sized loads/stores. Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Jamie Iles <jamie@jamieiles.com> Link: https://lore.kernel.org/r/20221115200832.706370-2-jamie@jamieiles.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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1 changed files with 15 additions and 15 deletions
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@ -15,8 +15,8 @@
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.macro SAVE_ABI_STATE
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addi sp, sp, -16
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sd s0, 0(sp)
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sd ra, 8(sp)
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REG_S s0, 0(sp)
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REG_S ra, 8(sp)
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addi s0, sp, 16
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.endm
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@ -26,22 +26,22 @@
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*/
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.macro SAVE_RET_ABI_STATE
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addi sp, sp, -32
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sd s0, 16(sp)
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sd ra, 24(sp)
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sd a0, 8(sp)
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REG_S s0, 16(sp)
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REG_S ra, 24(sp)
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REG_S a0, 8(sp)
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addi s0, sp, 32
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.endm
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.macro RESTORE_ABI_STATE
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ld ra, 8(sp)
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ld s0, 0(sp)
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REG_L ra, 8(sp)
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REG_L s0, 0(sp)
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addi sp, sp, 16
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.endm
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.macro RESTORE_RET_ABI_STATE
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ld ra, 24(sp)
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ld s0, 16(sp)
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ld a0, 8(sp)
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REG_L ra, 24(sp)
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REG_L s0, 16(sp)
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REG_L a0, 8(sp)
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addi sp, sp, 32
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.endm
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@ -82,16 +82,16 @@ ENTRY(MCOUNT_NAME)
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la t4, ftrace_stub
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#ifdef CONFIG_FUNCTION_GRAPH_TRACER
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la t0, ftrace_graph_return
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ld t1, 0(t0)
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REG_L t1, 0(t0)
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bne t1, t4, do_ftrace_graph_caller
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la t3, ftrace_graph_entry
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ld t2, 0(t3)
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REG_L t2, 0(t3)
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la t6, ftrace_graph_entry_stub
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bne t2, t6, do_ftrace_graph_caller
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#endif
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la t3, ftrace_trace_function
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ld t5, 0(t3)
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REG_L t5, 0(t3)
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bne t5, t4, do_trace
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ret
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@ -104,7 +104,7 @@ do_ftrace_graph_caller:
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addi a0, s0, -8
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mv a1, ra
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#ifdef HAVE_FUNCTION_GRAPH_FP_TEST
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ld a2, -16(s0)
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REG_L a2, -16(s0)
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#endif
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SAVE_ABI_STATE
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call prepare_ftrace_return
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@ -117,7 +117,7 @@ do_ftrace_graph_caller:
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* (*ftrace_trace_function)(ra_to_caller, ra_to_caller_of_caller)
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*/
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do_trace:
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ld a1, -8(s0)
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REG_L a1, -8(s0)
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mv a0, ra
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SAVE_ABI_STATE
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